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Message #84740
[Bug 1091372] Re: 8086:088e [Dell XPS L322X] wifi slows and/or drops frequently
Oh, and just to point out, my wireless is nearly unusable now that I'm
running utopic. I basically have an external wifi dongle attached to the
system all the time.
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https://bugs.launchpad.net/bugs/1091372
Title:
8086:088e [Dell XPS L322X] wifi slows and/or drops frequently
Status in Dell Sputnik:
New
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
I received my Dell Sputnik XPS (12.04) three days ago, and since then
have experienced very unreliable wifi. I'm seeing significant slow
downs and drops on several networks.
Two main issues:
1) Wifi slows down significantly for 10-60 seconds. It appears no
packets are getting through, as all browser requests churn, Flash
games show connection errors, pings don't work, and Software
Center/Update Manager/apt cannot connect. The connection always
returns eventually. This is happening once every few hours to many
times an hour.
2) The wifi connection disconnects and quickly reconnects. This is
also happening between once every few hours to several times an hour.
I cannot spot a pattern or a trigger, but it's happening a lot. It's
occurred on all three networks I've connected on. Two were standard
secured home wireless networks, and one is a corporate wireless
network.
WORKAROUND: sudo modprobe -r iwlwifi && sudo modprobe iwlwifi
11n_disable=1
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu15.1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC275 Analog [ALC275 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: eryn 2025 F.... pulseaudio
/dev/snd/pcmC0D0p: eryn 2025 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xd0510000 irq 45'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:10ec0275,1028058b,00100008 HDA:80862806,80860101,00100000'
Controls : 24
Simple ctrls : 11
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-precise-amd64-20120703-2
DistroRelease: Ubuntu 12.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=332825d2-867b-4b4c-be56-6fbfad4e3404
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
MachineType: Dell Inc. Dell System XPS L322X
MarkForUpload: True
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-35-generic root=UUID=f3a9ba1b-bad1-47d0-996f-54d8b5204478 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.2.0-35.55+kamal11~DellXPS-generic 3.2.34
RelatedPackageVersions:
linux-restricted-modules-3.2.0-35-generic N/A
linux-backports-modules-3.2.0-35-generic N/A
linux-firmware 1.79.1
StagingDrivers: mei
Tags: precise running-unity staging
Uname: Linux 3.2.0-35-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
WifiSyslog:
dmi.bios.date: 09/13/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
dmi.board.name: 0CK86J
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA02:bd09/13/2012:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0CK86J:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L322X
dmi.sys.vendor: Dell Inc.
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